同学你好，该知识点来自沪江网校《英语零基础直达大学四级【随到随学班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

助助再补充一下相关知识点，供同学参考：
1 当表示对将来的虚拟（假设）时，从句可以用“ If +主语+ did / were to do/ should do“，主句用”主语+should/would/might/could+do“。如：
If the sun were to rise in the west, I would lend you the money.
If you finished it in 3 minutes, I would give you my car.

2 虚拟条件句的从句部分如果含有were, should, 或had, 可将if省略，再把were, should或had 移到从句句首，进行倒装。如：
Were they here now, they could help us.
=If they were here now, they could help us.

综上，上面题目中就是省去if，把were 放在主语前面的倒装句式；
在虚拟语气的从句中，动词'be'的过去时态一律用were，不论人称。

祝同学学习愉快～

同学你好，该知识点来自沪江网校《英语零基础直达大学四级【随到随学班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学好：
是说这道题吧——
Were I to do the work, I should do it some other day.
这里是虚拟语气，表示对将来的假设，从句谓语用be to do，不论人称be 都用were。请积累一下。

祝学习愉快！